666580847162 has 8 divisors (see below), whose sum is σ = 1000071300000. Its totient is φ = 333223747164.

The previous prime is 666580847123. The next prime is 666580847167. The reversal of 666580847162 is 261748085666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (666580847167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33325712 + ... + 33345707.

It is an arithmetic number, because the mean of its divisors is an integer number (125008912500).

Almost surely, 2^666580847162 is an apocalyptic number.

666580847162 is a deficient number, since it is larger than the sum of its proper divisors (333490452838).

666580847162 is a wasteful number, since it uses less digits than its factorization.

666580847162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66676420.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 666580847162 in words is "six hundred sixty-six billion, five hundred eighty million, eight hundred forty-seven thousand, one hundred sixty-two".